The Guardian | Operation Overlord | Operation Enduring Freedom | Operation Barbarossa | Organization for Security and Co-operation in Europe | Operation Market Garden | Organisation for Economic Co-operation and Development | Operation Torch | Operation Vistula | Blind Guardian | operation | Guardian Council | Operation Provide Comfort | Operation Anaconda | Office of the Public Guardian | Chinese guardian lions | Police and Judicial Co-operation in Criminal Matters | Operation Weserübung | Operation Shingle | Operation Ivy | Operation Highjump | Operation Blue Star | Operation Anthropoid | Operation Paperclip | Operation Downfall | Operation Deny Flight | The Guardian (TV series) | Operation Thunderbolt | Operation Southern Watch | Operation Michael |
These detachments supported numerous contingency operations to include: Operation Joint Endeavor in Bosnia, Operation Silver Wake in Albania and Operation Guardian Retrieval and Operation Noble Obelisk in Africa.
During the deployment, the main body of the 22nd MEU participated in two major operations: Operation Guardian Retrieval, operating out of Brazzaville, Congo; and Operation Noble Obelisk, in Freetown, Sierra Leone, which resulted in the evacuation of more than 2,500 American citizens and foreign nationals.